Is Marble Intrusive Or Extrusive

Intrusive rocks are very hard in nature and are often coarse grained.

Is marble intrusive or extrusive.

The question is granite intrusive or extrusive is therefore a common among many people. Gabbro and granite are examples of intrusive igneous rocks. Extrusive igneous rocks erupt onto the surface where they cool quickly to form small crystals. The coarse grained rock is made up of different elements including quartz and feldspar and its formation makes it an intrusive rock.

Learn vocabulary terms and more with flashcards games and other study tools. Intrusive igneous rocks crystallize below earth s surface and the slow cooling that occurs there allows large crystals to form. Some cool so. Examples of intrusive igneous rocks are diabase diorite gabbro granite pegmatite and peridotite.

By contrast intrusive rocks are formed from magma that was forced into older rocks at depth within earth s crust. The molten material then slowly solidifies below earth s surface where it may later be exposed through erosion. Br br as a result you won t be able to see them as individual. The terms intrusive and extrusive apply to igneous rocks.

Before discussing further differences between both rocks let us see what is a rock and what are intrusive rocks and extrusive rocks. Extrusive rock any rock derived from magma molten silicate material that was poured out or ejected at earth s surface. Intrusive vs extrusive rocks the key difference between intrusive and extrusive rocks is that the intrusive rocks are formed from magma whereas the extrusive rocks are formed from lava. Granite is an intrusive igneous rock composed mainly of feldspar.

Marble is a metamorphic rock that was originally limestone a sedimentary rock and is composed primarily of the mineral calcite. The terms magma and lava have been used interchangeably for a long time and rightfully so. Start studying science rocks.